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@saas-plat/metavm

v1.0.3

Published

提供schema脚本的安全运行环境

Downloads

6

Readme

metavm

提供schema脚本的安全运行沙箱

node端隔离实体和查询的用户代码 需要先把需要运行的用户代码下载到本地codepath文件夹里

const {
  VM
} = require('@saas-plat/metavm');

const vm = VM(codepath);
const EntitySchema = await vm.run('entity.js');

const TestEntity = MetaEntity.createModel(EntitySchema.name, EntitySchema.schema);
....

直接运行脚本,支持require的commonjs的调用

const vm = VM(codepath);
const model = await vm.run('BankAccount.js',`
  const { Entity } = require('@saas-plat/metaschema');
  module.exports = Entity('BankAccount',require('./${jsonfile}')) `);
const BankAccount = MetaEntity.createModel(model.name, model.schema);

web端隔离视图和视图模型的用户代码 用户代码不用下载,通过http远程加载

const {
  VM
} = require('@saas-plat/metavm');

const vm = VM('http://localhost:5011');
const TestView1 = await vm.run('TestView1.js');
const ApplyOrder = await vm.run('ApplyOrder.js');

...

直接运行脚本,但是不能require,前端需要webpack等工具打包不支持按照文件加载

const vm = VM('file://' + __dirname + '/jscache');
const jsonfile = 'model.json';
const jsonview = 'view.json';
const model = await vm.run(jsonfile, `
  const { ViewModel } = require('@saas-plat/metaschema');
  module.exports = ViewModel('ViewModel1', ${fs.readFileSync( __dirname + '/jscache/'+jsonfile,'utf8')})
  `);